.loginBox {
    width: 400px;
    height: 400px;
    padding: 16px;
    border-radius: 8px;
    box-shadow: 0 2px 6px #999;
    position: fixed;
    right: 200px;
    top: 50%;
    background-color: #fff;
    transform: translate(0, -50%);
}